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How do I return the response from an asynchronous call?

...nt, return result;, is executed before the function you passed as success callback was even called. Here is an analogy which hopefully makes the difference between synchronous and asynchronous flow clearer: Synchronous Imagine you make a phone call to a friend and ask him to look something up for yo...
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How to save and load cookies using Python + Selenium WebDriver

How can I save all cookies in Python's Selenium WebDriver to a txt-file, then load them later? The documentation doesn't say much of anything about the getCookies function. ...
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setTimeout or setInterval?

... They essentially try to do the same thing, but the setInterval approach will be more accurate than the setTimeout approach, since setTimeout waits 1000ms, runs the function and then sets another timeout. So the wait period is actually a ...
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Android AsyncTask threads limits?

...ery time user logs in to the system, I also use database in the phone. For all those operations (updates, retrieving data from db and etc.) I use async tasks. As up till now I didn't see why I shouldn't use them, but recently I experienced that if I do some operations some of my async tasks simply s...
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Where could I buy a valid SSL certificate? [closed]

...d" message. I realized that you need an intermediate certificate. When installing a startssl cert make sure you follow the steps here: startssl.com/?app=20 (for me I selected nginx) make sure you follow the part about the intermediate cert. Also you can double check cert problems here: sslshopper.co...
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Get top n records for each group of grouped results

... Here is one way to do this, using UNION ALL (See SQL Fiddle with Demo). This works with two groups, if you have more than two groups, then you would need to specify the group number and add queries for each group: ( select * from mytable where `group` = 1 ...
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What does ||= (or-equals) mean in Ruby?

...threads on the Ruby mailing-list whose only purpose is to collect links to all the other threads on the Ruby mailing-list that discuss this issue. Here's one: The definitive list of ||= (OR Equal) threads and pages If you really want to know what is going on, take a look at Section 11.4.2.3 "Abbrevi...
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How to load JAR files dynamically at Runtime?

...ave any kind of module system you need to be able to load JAR files dynamically. I'm told there's a way of doing it by writing your own ClassLoader , but that's a lot of work for something that should (in my mind at least) be as easy as calling a method with a JAR file as its argument. ...
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Starting iPhone app development in Linux? [closed]

...nt works perfectly, as does debugging via USB to the phone itself. It actually surprised me a lot - but I've had no issues at all. share | improve this answer | follow ...
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One class per file rule in .NET? [closed]

... but some of my colleagues disagree with it and argue that if a class is smaller it can be left in the same file with other class(es). ...